Results 41 to 50 of about 2,997,799 (357)

Prevalence of Pain and Disability of the Spine and Joints in Selected Types of Sport: Protocol for a Cross-Sectional Study

open access: yesApplied Sciences, 2021
(1) Background: Joint and back pain are enormous and important clinical and public health problems that significantly affect people of all ages. Although the epidemiology of pain in the general population is well documented, less information is available
Alena Buková   +5 more
doaj   +1 more source

Development of the weldbond process for joining titanium [PDF]

open access: yes, 1972
High quality resistance spot welds were produced by welding through epoxy adhesive on titanium alloys. Weldbond joints were consistently stronger than those of either mechanical fasteners, structural adhesive bonds, or mechanical fasteners with adhesive ...
Fields, D.
core   +1 more source

Time after time – circadian clocks through the lens of oscillator theory

open access: yesFEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo   +2 more
wiley   +1 more source

Preferential recruitment of CCR6-expressing Th17 cells to inflamed joints via CCL20 in rheumatoid arthritis and its animal model

open access: yesJournal of Experimental Medicine, 2007
This report shows that interleukin (IL) 17–producing T helper type 17 (Th17) cells predominantly express CC chemokine receptor (CCR) 6 in an animal model of rheumatoid arthritis (RA).
K. Hirota   +11 more
semanticscholar   +1 more source

Recent research and development in semi-rigid composite joints with precast hollowcore slabs [PDF]

open access: yes, 2008
Composite structure incorporating steel beams and precast hollowcore slabs is a recently developed composite floor system for building structures. This form of composite construction is so far limited to simple beam-column connections.
Lam, D.
core  

Keep it SMPL: Automatic Estimation of 3D Human Pose and Shape from a Single Image

open access: yes, 2016
We describe the first method to automatically estimate the 3D pose of the human body as well as its 3D shape from a single unconstrained image. We estimate a full 3D mesh and show that 2D joints alone carry a surprising amount of information about body ...
A Jain   +25 more
core   +1 more source

The newfound relationship between extrachromosomal DNAs and excised signal circles

open access: yesFEBS Letters, EarlyView.
Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley   +1 more source

Effect of single-bundle autologous hamstring tendon reconstruction combined with braided thread on joint stability and clinical efficacy in patients with posterior cruciate ligament rupture

open access: yesArchives of Medical Science
Introduction Single-bundle autologous hamstring tendon reconstruction is a surgical procedure used primarily in orthopedics. The aim of the study was to investigate the impact of using autologous hamstring tendon single-bundle restoration in conjunction ...
Wenqiao Zhang   +2 more
doaj   +1 more source

A case of knuckle pad syndrome in a middle‐aged man

open access: yesClinical Case Reports, 2022
Knuckle pads are benign papules, nodules, or plaques overlying joints and typically manifest at the proximal interphalangeal joints (PIPs). They may be confused with other dermatologic or rheumatologic diseases. Treatment options for primary knuckle pads
Zachary Chandler   +3 more
doaj   +1 more source

Large joints in graphs

open access: yes, 2010
We show that if G is a graph of sufficiently large order n containing as many r-cliques as the r-partite Turan graph of order n; then for some C>0 G has more than Cn^(r-1) (r+1)-cliques sharing a common edge unless G is isomorphic to the the r-partite ...
Bollobas, Bela, Nikiforov, Vladimir
core   +1 more source

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